Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between GOES-18 and NOAA-21 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/8/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/08/2025 | 22:34:44 | 0.03,-137.00 | -0.14,-137.73 | 83.88 | 80 |
| 2 | 09/09/2025 | 22:18:39 | 0.03,-137.00 | 0.86,-133.20 | 433.31 | 80 |
| 3 | 09/11/2025 | 10:40:27 | -0.03,-137.00 | 0.27,-138.47 | 167.76 | 80 |
| 4 | 09/12/2025 | 10:19:02 | -0.03,-137.00 | -0.72,-133.94 | 348.72 | 80 |
| 5 | 09/13/2025 | 22:40:57 | 0.04,-137.00 | -0.44,-139.24 | 254.97 | 80 |
| 6 | 09/14/2025 | 22:24:51 | 0.04,-136.99 | 0.56,-134.70 | 261.01 | 80 |
| 7 | 09/16/2025 | 10:46:39 | -0.04,-136.97 | 0.62,-139.97 | 341.40 | 80 |
| 8 | 09/17/2025 | 10:25:13 | -0.04,-136.96 | -0.38,-135.43 | 174.38 | 80 |
| 9 | 09/18/2025 | 22:47:09 | 0.04,-136.96 | -0.78,-140.74 | 429.86 | 80 |
| 10 | 09/19/2025 | 22:31:03 | 0.05,-136.95 | 0.23,-136.20 | 86.05 | 80 |
| 11 | 09/22/2025 | 10:31:25 | -0.05,-136.92 | -0.06,-136.93 | 1.67 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/8/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 09/08/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21